Global Patent Index - EP 4123164 B1

EP 4123164 B1 20240214 - VERTICAL AXIS WIND TURBINE

Title (en)

VERTICAL AXIS WIND TURBINE

Title (de)

WINDTURBINE MIT VERTIKALER ACHSE

Title (fr)

ÉOLIENNE À AXE VERTICAL

Publication

EP 4123164 B1 20240214 (EN)

Application

EP 22186179 A 20220721

Priority

IT 202100019625 A 20210723

Abstract (en)

[origin: EP4123164A1] The invention concerns a vertical axis wind turbine (10) comprising a support base (1), a shaft (2) extending centrally from the support base (1), a support frame (3) for a plurality of blades (4a, 4b, 4c), mounted on the base (1) rotatable with the shaft (2), and a control frame (5) for controlling the plurality of blades (4a, 4b, 4c), mounted on the shaft (2), above the blade support frame (3). Each blade of the plurality of blades (4a, 4b, 4c) comprises a first half-blade (41) and a second half-blade (42) supported by the blade support frame (3). The blade control frame (5) comprises a control element (51) mounted rotatable on the shaft (2), a pin (52), extending from the control element (51) in an eccentric position with respect to the shaft (2), a plurality of connecting rods (53), one for each blade (4a, 4b, 4c), rotatably supported by the pin (52) and a directional deflector (54) extending from the pin (52) and rotatable integrally with it. Each blade (4a, 4b, 4c) comprises a fixed rod (43) associated with the blade support frame (3) and a mobile rod (44) having an end sliding on the blade support frame (3) and another end associated with a respective connecting rod (53) of the blade control frame (5). During rotation of the turbine (10) the directional deflector (54) angles toward the direction of the wind flow, thereby fixing an angular position of the pin (52) with respect to the shaft (3), and the mobile rod (44) of each blade (4a, 4b, 4c) rotates following a trajectory (T<sub>M</sub>), eccentric with respect to a trajectory (T<sub>F</sub>) of the fixed rod (43), sliding on the blade support frame (3) and thus causing opening and closing of the blades (4a, 4b, 4c).

IPC 8 full level

F03D 3/06 (2006.01)

CPC (source: EP)

F03D 3/068 (2013.01); F05B 2240/311 (2013.01); Y02E 10/74 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 4123164 A1 20230125; EP 4123164 B1 20240214; IT 202100019625 A1 20230123

DOCDB simple family (application)

EP 22186179 A 20220721; IT 202100019625 A 20210723